function input(id1)
{
	$(id1).keyup(function(){
		v = $(id1).val();
		if (v != '') {
			$(id1).css({filter:'alpha(opacity=100)', mozOpacity:'1', opacity:'1'});
		} else {
			$(id1).css({filter:'alpha(opacity=40)', mozOpacity:'0.4', opacity:'0.4'});
		}
	})
}